Opinions from H. Bolton 1921
- 'Achaeoptilus belongs to Palaeodictyoptera'
- 'Achaeoptilus ingens belongs to Achaeoptilus' according to Scudder 1881
- 'Aedoeophasma belongs to Protorthoptera'
- 'Aenigmatodes belongs to Aenigmatodidae'
- 'Aenigmatodes regularis belongs to Aenigmatodes'
- 'Aphthoroblattina belongs to Archimylacridae'
- 'Archaeoptilus belongs to Palaeodictyoptera'
- 'Archaeoptilus ingens belongs to Archaeoptilus'
- 'Archaeotiphe belongs to Archimylacridae' according to Pruvost 1919
- 'Archimylacris belongs to Archimylacridae'
- 'Archimylacris hastata belongs to Archimylacris' according to Bolton 1911
- 'Archimylacris obovata belongs to Archimylacris' according to Bolton 1911
- 'Archimylacris pringlei belongs to Archimylacris' according to Bolton 1921
- 'Archimylacris woodwardi belongs to Archimylacris' according to Bolton 1910
- 'Blattidium mantidioides belongs to Blattidium' according to Goldenberg 1867
- 'Blattidium mantidioides is recombined as Archaeotiphe mantidioides' according to Pruvost 1919
- 'Boltoniella belongs to Lamproptilidae' according to Handlirsch 1919
- 'Boltoniella belongs to Lamproptilidae'
- 'Boltoniella tenuitegminata belongs to Boltoniella' according to Bolton 1911
- 'Boltoniella tenuitegminata belongs to Boltoniella'
- 'Boltonites belongs to Meganeuridae'
- 'Breyeria belongs to Breyeriidae'
- 'Brodia furcata belongs to Brodia'
- 'Brodia furcata belongs to Brodia' according to Handlirsch 1919
- 'Brodia nebulosa is replaced by Brodia priscotincta'
- 'Brodia nebulosa belongs to Brodia' according to Handlirsch 1919
- 'Brodia priscotincta belongs to Brodia'
- 'Corydalis brongniarti is recombined as Lithosialis brongniarti'
- 'Coseliidae belongs to Protorthoptera'
- 'Cryptovenia belongs to Cryptoveniidae'
- 'Cryptovenia moyseyi belongs to Cryptovenia' according to Bolton 1912
- 'Cryptoveniidae belongs to Palaeodictyoptera'
- 'Dictyoneura belongs to Dictyoneuridae'
- 'Dictyoneuridae belongs to Palaeodictyoptera'
- 'Fouquea cambrensis is recombined as Pseudofouquea cambrensis'
- 'Genentomum belongs to Oedischiidae'
- 'Genentomum subacutum belongs to Genentomum' according to Bolton 1911
- 'Gerablattina (Aphthoroblattina) sulcata belongs to Gerablattina (Aphthoroblattina)' according to Bolton 1911
- 'Geroneura belongs to Mixotermitoidea'
- 'Geroneura ovata belongs to Geroneura'
- 'Hemimylacris belongs to Mylacridae'
- 'Hemimylacris convexa belongs to Hemimylacris' according to Bolton 1911
- 'Hemimylacris obtusa belongs to Hemimylacris' according to Bolton 1911
- 'Hypermegethes belongs to Hypermegethidae'
- 'Hypermegethes northumbriae belongs to Hypermegethes' according to Bolton 1917
- 'Lithomantis belongs to Lithomantidae'
- 'Lithomantis carbonarius belongs to Lithomantis'
- 'Lithosialis belongs to Lithomantidae'
- 'Mecynoptera belongs to Mecynopteridae'
- 'Mecynoptera tuberculata belongs to Mecynoptera'
- 'Meganeura belongs to Meganeuridae'
- 'Oedischia is replaced by Genentomum'
- 'Orthocosta belongs to Orthocostidae'
- 'Orthocosta splendens belongs to Orthocosta' according to Bolton 1912
- 'Orthocostidae belongs to Palaeodictyoptera'
- 'Orthomylacris belongs to Mylacridae'
- 'Orthomylacris lanceolata belongs to Orthomylacris' according to Bolton 1911
- 'Palaeomantis macroptera belongs to Palaeomantis' according to Bolton 1917
- 'Palaeomantis macroptera belongs to Palaeomantis'
- 'Phyloblatta belongs to Archimylacridae'
- 'Phyloblatta transversalis belongs to Phyloblatta' according to Bolton 1917
- 'Phylomylacris belongs to Mylacridae'
- 'Plesioidischia belongs to Protoblattoidea'
- 'Pruvostia belongs to Lithomantidae'
- 'Pruvostia spectabilis belongs to Pruvostia'
- 'Pteronepionites ambigua belongs to Pteronepionites'
- 'Pteronepionites lepus belongs to Pteronepionites'
- 'Pteronidia plicatula belongs to Pteronidia' according to Bolton 1912
- 'Pteronidiidae belongs to Palaeodictyoptera'
- 'Sherborniella higginsii belongs to Sherborniella' according to Handlirsch 1919
- 'Sherborniella higginsii is recombined as Dictyoneura higginsii'
- 'Sherborniella higginsii is recombined as Dictyoneura higginsii'
- 'Soomylacris belongs to Mylacridae'
- 'Soomylacris burri belongs to Soomylacris' according to Bolton 1912
- 'Spilaptera belongs to Spilapteridae'
- 'Spilaptera sutcliffei belongs to Spilaptera'
- 'Stobbsia woodwardiana is recombined as Breyeria woodwardiana' according to Handlirsch 1903
- 'Stobbsia woodwardiana is recombined as Breyeria woodwardiana'